import auth from '@/plugins/auth'
import router, { constantRoutes, dynamicRoutes } from '@/router'
import { getRouters } from '@/api/menu'
import Layout from '@/layout/index.vue'
import ParentView from '@/components/ParentView/index.vue'
import InnerLink from '@/layout/components/InnerLink/index.vue'
import { defineStore } from 'pinia'
import { RouteRecordRaw } from 'vue-router'

// 匹配views里面所有的.vue文件
const modules = import.meta.glob('./../../views/**/*.vue')

const usePermissionStore = defineStore('permission', {
	state: (): {
		routes: RouteRecordRaw[]
		addRoutes: RouteRecordRaw[]
		defaultRoutes: RouteRecordRaw[]
		topbarRouters: RouteRecordRaw[]
		sidebarRouters: RouteRecordRaw[]
	} => ({
		routes: [],
		addRoutes: [],
		defaultRoutes: [],
		topbarRouters: [],
		sidebarRouters: []
	}),
	actions: {
		setRoutes(routes: RouteRecordRaw[]) {
			this.addRoutes = routes
			//用在tagsView中
			this.routes = constantRoutes.concat(routes)
		},
		setDefaultRoutes(routes: RouteRecordRaw[]) {
			this.defaultRoutes = constantRoutes.concat(routes)
		},
		setTopbarRoutes(routes: RouteRecordRaw[]) {
			this.topbarRouters = routes
		},
		setSidebarRouters(routes: RouteRecordRaw[]) {
			this.sidebarRouters = routes
		},
		generateRoutes(routes?: RouteRecordRaw[]) {
			return new Promise<any[]>((resolve) => {
				// 向后端请求路由数据
				getRouters().then((res) => {
					const sdata = JSON.parse(JSON.stringify(res.data))
					const rdata = JSON.parse(JSON.stringify(res.data))
					const defaultData = JSON.parse(JSON.stringify(res.data))
					const sidebarRoutes = filterAsyncRouter(sdata)
					const rewriteRoutes = filterAsyncRouter(rdata, false, true)
					const defaultRoutes = filterAsyncRouter(defaultData)
					const asyncRoutes = filterDynamicRoutes(dynamicRoutes)
          //放置到真正的vue-router中
          //将一部分放到侧边栏循环渲染，注意这里不一致
          
					asyncRoutes.forEach((route) => {
						router.addRoute(route)
					})
					this.setRoutes(rewriteRoutes)
					this.setSidebarRouters(constantRoutes.concat(sidebarRoutes))
					this.setDefaultRoutes(sidebarRoutes)
					this.setTopbarRoutes(defaultRoutes)
					resolve(rewriteRoutes)
				})
			})
		}
	}
})

// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap: any[], lastRouter = false, type = false) {
	return asyncRouterMap.filter((route) => {
		if (type && route.children) {
			route.children = filterChildren(route.children)
		}
		if (route.component) {
			// Layout ParentView 组件特殊处理
			if (route.component === 'Layout') {
				route.component = Layout
			} else if (route.component === 'ParentView') {
				route.component = ParentView
			} else if (route.component === 'InnerLink') {
				route.component = InnerLink
			} else {
				route.component = loadView(route.component)
			}
		}
		if (route.children != null && route.children && route.children.length) {
			route.children = filterAsyncRouter(route.children, route, type)
		} else {
			delete route['children']
			delete route['redirect']
		}
		return true
	})
}

function filterChildren(childrenMap: any[], lastRouter: any = false) {
	let children: any[] = []
	childrenMap.forEach((el, index) => {
		if (el.children && el.children.length) {
			if (el.component === 'ParentView' && !lastRouter) {
				el.children.forEach((c: any) => {
					c.path = el.path + '/' + c.path
					if (c.children && c.children.length) {
						children = children.concat(filterChildren(c.children, c))
						return
					}
					children.push(c)
				})
				return
			}
		}
		if (lastRouter) {
			el.path = lastRouter.path + '/' + el.path
		}
		children = children.concat(el)
	})
	return children
}

// 动态路由遍历，验证是否具备权限
export function filterDynamicRoutes(routes: any[]) {
	const res: any[] = []
	routes.forEach((route) => {
		if (route.permissions) {
			if (auth.hasPermiOr(route.permissions)) {
				res.push(route)
			}
		} else if (route.roles) {
			if (auth.hasRoleOr(route.roles)) {
				res.push(route)
			}
		}
	})
	return res
}

export const loadView = (view: any) => {
	let res
	for (const path in modules) {
		const dir = path.split('views/')[1].split('.vue')[0]
		if (dir === view) {
			res = () => modules[path]()
		}
	}
	return res
}

export default usePermissionStore
